David C. Hannah

Ciara A. Miller is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Ciara A., who practices law in McLean, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ciara A. is held by other top lawyers in the same geographic and legal practice area.

Howard L. Nelson is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Oil and Gas Law. Howard L., who practices law in Washington, District of Columbia, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Howard L. is held by other top lawyers in the same geographic and legal practice area.

R. Peyton Mahaffey is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates and Personal Injury Litigation - Plaintiffs. R. Peyton, who practices law in Fairfax, Virginia, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which R. Peyton is held by other top lawyers in the same geographic and legal practice area.

David W. Bowker is the partner-in-charge of the firm’s Washington DC office and chair of the International Litigation practice. He is a nationally renowned litigator with nearly 25 years’ experience representing corporate clients, nonprofits, museums, universities, individuals, international organizations, governments, and government officials in a wide range of high-stakes commercial and governmental disputes before the US Supreme Court, US Courts of Appeals, US District Courts, ...

Margaret Marks is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Trusts and Estates. Margaret, who practices law in Arlington, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Margaret is held by other top lawyers in the same geographic and legal practice area.

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Kristen Kugel is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Kristen, who practices law in Fairfax, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kristen is held by other top lawyers in the same geographic and legal practice area.

Rich Gold is a partner practicing in the areas of legislative and environmental law, emphasizing strategy development, lobbying, legislative and regulatory counseling, and creative solutions to corporate, non-profit, and governmental issues at the federal level. He is the leader of Holland & Knight's Public Policy & Regulation Practice Group, which has been ranked among the top 10 law and lobby firms in Washington, D.C. by Influence magazine the last several years. Mr. Gold has been r...

Edward C. O'Callaghan is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Edward C., who practices law in Washington, District of Columbia, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Edward C. is held by other top lawyers in the same geographic and legal practice area.

Sean P. Kelly has practiced exclusively in the area of family law and divorce for his entire career as a lawyer, which began in 1994. Having "grown up" in the field, Sean has extensive litigation experience and a significant knowledge and understanding of the law. One benefit of his years of litigation experience is that it affords a seasoned trial lawyer like Sean many more opportunities to achieve fair and equitable settlements for his clients. His substantial trial experience, coupled with...